Infiniti QX56 (Z62). Manual - part 427

DLK-174

< SYMPTOM DIAGNOSIS >

DOOR DOES NOT LOCK/UNLOCK WITH DOOR REQUEST SWITCH

Refer to 

DLK-139, "Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

REPLACE BCM

• Replace BCM. Refer to 

BCS-81, "Removal and Installation"

.

• Confirm the operation after replacement.

Is the result normal?

YES

>> INSPECTION END

NO

>> Check intermittent incident. Refer to 

GI-40, "Intermittent Incident"

.

DOOR DOES NOT LOCK/UNLOCK WITH INTELLIGENT KEY

DLK-175

< SYMPTOM DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

DOOR DOES NOT LOCK/UNLOCK WITH INTELLIGENT KEY

Diagnosis Procedure

INFOID:0000000006226013

1.

CHECK POWER DOOR LOCK OPERATION

Check power door lock operation.
Does door lock/unlock with door lock and unlock switch?

YES

>> GO TO 2.

NO

>> Refer to 

DLK-168, "ALL DOOR : Diagnosis Procedure"

.

2.

CHECK REMOTE KEYLESS ENTRY RECEIVER

Check remote keyless entry receiver.
Refer to 

DLK-134, "Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace the malfunctioning parts.

3.

CHECK INTELLIGENT KEY

Check Intelligent Key.
Refer to 

DLK-145, "Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace the malfunctioning parts.

4.

REPLACE BCM

• Replace BCM. Refer to 

BCS-81, "Removal and Installation"

.

• Confirm the operation after replacement.

Is the result normal?

YES

>> INSPECTION END

NO

>> Check intermittent incident. Refer to 

GI-40, "Intermittent Incident"

.

DLK-176

< SYMPTOM DIAGNOSIS >

FUEL LID LOCK ACTUATOR DOES NOT OPERATE

FUEL LID LOCK ACTUATOR DOES NOT OPERATE

Diagnosis Procedure

INFOID:0000000006226014

1.

CHECK POWER DOOR LOCK OPERATION

Check power door lock operation.
Does door lock/unlock with door lock and unlock switch?

YES

>> GO TO 2.

NO

>> Refer to 

DLK-168, "ALL DOOR : Diagnosis Procedure"

.

2.

CHECK FUEL LID LOCK ACTUATOR

Check fuel lid lock actuator.
Refer to 

DLK-128, "Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace the malfunctioning parts.

3.

REPLACE BCM

• Replace BCM. Refer to 

BCS-81, "Removal and Installation"

.

• Confirm the operation after replacement.

Is the result normal?

YES

>> INSPECTION END

NO

>> Check intermittent incident. Refer to 

GI-40, "Intermittent Incident"

.

IGNITION POSITION WARNING FUNCTION DOES NOT OPERATE

DLK-177

< SYMPTOM DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

IGNITION POSITION WARNING FUNCTION DOES NOT OPERATE

Diagnosis Procedure

INFOID:0000000006226015

1.

CHECK POWER DOOR LOCK OPERATION

Check power door lock operation.
Does door lock/unlock with door lock and unlock switch?

YES

>> GO TO 2.

NO

>> Refer to 

DLK-168, "ALL DOOR : Diagnosis Procedure"

.

2.

CHECK DOOR SWITCH

Check door switch
Refer to 

DLK-117, "Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace the malfunctioning parts.

3.

CHECK BACK DOOR SWITCH

Check door switch
Refer to 

DLK-120, "Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace the malfunctioning parts.

4.

REPLACE BCM

• Replace BCM. Refer to 

BCS-81, "Removal and Installation"

.

• Confirm the operation after replacement.

Is the result normal?

YES

>> INSPECTION END

NO

>> Check intermittent incident. Refer to 

GI-40, "Intermittent Incident"

.